﻿ January 2018

## Why does a ceramic heater not heat?

The heater turns on but does not supply heat. The fan turns, the shadows are checked directly - they warm. He rang the thermal relay, it works. What could be the problem?

## How to increase the allocated power from 5 to 10 kW

I want to rent a room with a capacity of 5 kW. I understand that 5 kW is not enough for me. How to accelerate to 10 kW, what is needed for this, how much does it cost?

## Can a 1.5 kW engine spin 30 kW electric generators?

An electric motor (1.5 kW), powered by a power supply system, spins electric generators (3 pcs. Of 11 kW each). Will such a system work or not?

## Is it possible to connect the inverter to the battery by making a perpetual motion machine?

If you connect the inverter to the battery, and the charger for the same battery to the inverter, will the battery be recharged? Ie get a "perpetual motion machine"?

## Joule-Lenz law: its formulation and application

Joule-Lenz law in differential and integral form. The wording is legal and its application in practice. How to find the resistance of a conductor.

## Why does the voltage in the outlet change?

A copper wire comes from the meter, then twisted into aluminum, and the voltage in the outlet is from 0 to 260 Volts, unstable. What could be the reason?

## Can I use a two-wire cable for lighting?

Hello. Please tell me, is it possible to use the VVG 2 * 1.5 copper cable for the apartment lighting group, without a grounding conductor? Thank.

## What bulbs are suitable for a Legrand dimmer?

There are 2 dimmers Legrand series Valen. These dimmers do not work with LED lamps. Only halogen or incandescent. Maybe there are some such halogen lamps?

## How to install an MP3 module in the music center

I install an MP3 module in the music center. For power, outputs on 5V and 12V are provided. Do I need to turn off something if only the 12V input is used.

## What is ONE for electricity and how are they calculated

What is ONE for electricity and how to calculate them correctly. Ways to reduce the cost of paying for housekeeping needs for electricity.

## What are the cambrics for wires and why are they needed

What are cambrics for wires and what types they are. How to use cambrices for marking and insulation of cable cores.

## The main malfunctions of machines and the causes of their occurrence

The main malfunctions of circuit breakers, their causes and solutions. What to do if the machine does not turn on or knocks out.

## Knocks out the circuit breaker to which the chandelier is connected

Knocks out the machine on which the chandelier in the room. Those. for two days the chandelier with two screwed-in lamps lights up normally. Then the clap, the light goes out, the machine turns off.

## How to connect the Granite-300 to the bulbs?

Hello. When a Granite-300 converter is connected, the lamps flash. How to connect?

## Selection of the manufacturer of RCDs, automatic machines and voltage relays

Tell me by choosing the brand (company) of machines, RCDs and voltage relays. Which company is better in quality and reliability. Thank.

## Why does the AVERES DVA-6 diflavomat not turn on after pressing the reset button?

I accidentally pressed the gray reset button and now I can not turn on the difavtomat. Both buttons to the left of the reset button just hang out. What to do?

## Why did the meter wind up more after installing the electric stove?

Hello. After installing an electric stove in the apartment, the meter began to give large readings. We practically do not use a plate. Could this be somehow connected?

## How to connect an induction hob and oven?

Information has come that induction panels will not work in houses where a single-phase network. It's true? How to connect an induction cooker with a power of 4.6 kW?

## How to remove the outlet if another is connected to it, which should work?

They wanted to remove the outlet in the room, but another outlet, which is located through the wall, also stopped working. How to remove the outlet so that it works in another room?

## The voltage on the charger is less than on the charged

The charging device has a voltage of 5V. And on the charging output 5.1V. Is such a discrepancy allowed in the voltage and what are the tolerances?

## Why does the LED lamp crack when turned on and off?

Bought 2 LED lamps for the corridor with color brightness control panels. Everything works, but a crack is heard when you turn it on and off not often. What to do?

## How many junction boxes are needed per room?

How much will the distribution box need to be done if the room has 7 outlets and 3 lamps? Which cable is needed for this, two-core or three-core?

## Is it necessary to observe the colors of the wires when assembling the shield?

Is it possible to unsolder everything in a floor board with a yellow wire or is it necessary to observe colors? Will they accept it upon delivery if the color marking is not respected?

## Is it possible to connect an 8 kW water heater to one of the phases in a three-phase network?

The apartment has 3 phases, the heater is 8 kW single-phase, is it logical to put it on one phase or do you need to buy a 3-phase heater?

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